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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /uspace/trunk/console/screenbuffer.h @ 1524

  → /uspace/trunk/console/screenbuffer.h @ 1525

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 1524 → Rev 1525

/uspace/trunk/console/screenbuffer.h
30,8 → 30,8
#define __SCREENBUFFER_H__
#define DEFAULT_FOREGROUND_COLOR 0xffffff
#define DEFAULT_BACKGROUND_COLOR 0x00003f
#define DEFAULT_FOREGROUND_COLOR 0xffffff /**< default console foreground color */
#define DEFAULT_BACKGROUND_COLOR 0x00003f /**< default console background color */
typedef struct {
unsigned int bg_color; /**< background color */
38,7 → 38,7
unsigned int fg_color; /**< foreground color */
} style_t;
/** One field at screen. It contain one character and its attributes. */
/** One field on screen. It contain one character and its attributes. */
typedef struct {
char character; /**< Character itself */
style_t style; /**< Character`s attributes */
54,11 → 54,22
unsigned int top_line; /**< Points to buffer[][] line that will be printed at screen as the first line */
} screenbuffer_t;
/** Returns keyfield for position on screen. Screenbuffer->buffer is cyclic buffer so we must couted in index of the topmost line.
* @param scr screenbuffer
* @oaram x position on screen
* @param y position on screen
* @return keyfield structure with character and its attributes on x,y
*/
static inline keyfield_t *get_field_at(screenbuffer_t *scr, unsigned int x, unsigned int y)
{
return scr->buffer + x + ((y + scr->top_line) % scr->size_y) * scr->size_x;
}
/** Compares two styles.
* @param s1 first style
* @param s2 second style
* @return nonzero on equality
*/
static inline int style_same(style_t s1, style_t s2)
{
return s1.fg_color == s2.fg_color && s1.bg_color == s2.bg_color;
65,7 → 76,7
}
int screenbuffer_putchar(screenbuffer_t *scr, char c);
void screenbuffer_putchar(screenbuffer_t *scr, char c);
screenbuffer_t *screenbuffer_init(screenbuffer_t *scr, int size_x, int size_y);
void screenbuffer_clear(screenbuffer_t *scr);
72,6 → 83,7
void screenbuffer_clear_line(screenbuffer_t *scr, unsigned int line);
void screenbuffer_copy_buffer(screenbuffer_t *scr, keyfield_t *dest);
void screenbuffer_goto(screenbuffer_t *scr, unsigned int x, unsigned int y);
void screenbuffer_set_style(screenbuffer_t *scr, unsigned int fg_color, unsigned int bg_color);
#endif